import Vue from 'vue';

//首字母大写
Vue.filter('firstCapitalize', function (value) {
  if (!value) return ''
  value = value.toString()
  return value.charAt(0).toUpperCase() + value.slice(1)
})

//银行卡等保留后四位
Vue.filter('lastShowFourNum', function (value) {
    if (!value) return ''
    var reg = /^(\d*)(\d{4})$/
    return  value = value.replace(reg, function(a, b, c) {
            return b.replace(/\d/g, "*") + c;
        }); 
})